<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>单文件组件</title>
</head>
<body>
<div id="app">
    <App></App>
</div>

<!-- 需要加载渲染后的js文件-->
<script src="./index.js"></script>
</body>
</html>